ABB DSAI146 3BSE007949R1 Digital/Analog Input Module

ABB DSAI146 3BSE007949R1 Module: Overview and Technical Details

The ABB DSAI146 3BSE007949R1 is a high-performance Digital/Analog Input Module designed for industrial automation and process control systems. Part of ABB’s renowned System 800xA or AC 800M controller family, this module plays a critical role in interfacing field sensors and devices with control systems, ensuring reliable data acquisition and seamless integration into complex automation architectures.

Key Features and Functionality

1. Input Type and Channels
   • Supports 16 analog input channels (exact configuration may vary depending on application setup).
   • Compatible with voltage (e.g., 0–10 V DC) and current (e.g., 4–20 mA) signals, enabling flexibility for diverse sensor types (temperature, pressure, flow, etc.).
   • May include digital input capabilities for status monitoring or discrete signals.
2. High Precision and Resolution
   • Delivers high-resolution analog-to-digital conversion (e.g., 16-bit resolution) for accurate signal measurement.
   • Features built-in filtering to minimize noise and ensure stable readings in harsh industrial environments.
3. Communication and Integration
   • Interfaces with ABB controllers via Profibus DP, Foundation Fieldbus, or other industrial communication protocols.
   • Supports HART protocol for advanced device diagnostics and configuration (if applicable).
4. Robust Design
   • Operates in wide temperature ranges (-25°C to +70°C) and withstands industrial vibrations, humidity, and electromagnetic interference.
   • Complies with IEC 61131, UL, and CE standards, ensuring safety and reliability.
5. Hot-Swappable and Redundant Configuration
   • Enables hot-swapping for maintenance without system downtime.
   • Supports redundancy setups to enhance system availability in critical applications.

Typical Applications

• Process Industries: Oil and gas, chemical plants, power generation.
• Manufacturing: Real-time monitoring of production lines, quality control.
• Infrastructure: Water treatment, HVAC systems, energy management.

Technical Specifications

• Power Supply: 24 V DC (typical).
• Isolation: Channel-to-channel and channel-to-system isolation for safety.
• Sampling Rate: Configurable based on application requirements.
• Protection: Overvoltage, reverse polarity, and surge protection.

Advantages

• Scalability: Integrates seamlessly with ABB’s automation ecosystem.
• Diagnostics: Built-in self-test and fault reporting for proactive maintenance.
• User-Friendly Configuration: Utilizable via ABB’s engineering tools like Control Builder or Asset Management Software.

Ordering Information

• Model: DSAI146 3BSE007949R1 (part number for precise identification).
• Compatibility: Designed for use with ABB AC 800M controllers and System 800xA extensions.